Question : perl script to find the netid given ip and subnet mask?

Is there a easy way to do that? suppose I have below information
and I would like to find the subnet id? or may be how many host
belong to the subnet id. Thanks!


IP Address: 209.3.2.1
Subnet Mask: 0xfffffe00

Answer : perl script to find the netid given ip and subnet mask?

Take a look at Net::Netmask (http://search.cpan.org/dist/Net-Netmask/Netmask.pod)

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#!/usr/bin/perl use Net::Netmask; $n=Net::Netmask->new("209.3.2.1","0xfffffe00"); printf("Broadcast: %s\nSize: %s\n", $n->broadcast(), $n->size());